Adaptive friction compensation using neural network approximations

被引:75
作者
Huang, SN [1 ]
Tan, KK [1 ]
Lee, TH [1 ]
机构
[1] Natl Univ Singapore, Dept Elect Engn, Singapore 117548, Singapore
来源
IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS PART C-APPLICATIONS AND REVIEWS | 2000年 / 30卷 / 04期
关键词
adaptive systems; compensation; friction; neural networks;
D O I
10.1109/5326.897081
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
We present a new compensation technique for a friction model, which captures problematic friction effects such as Stribeck effects, hysteresis, stick-slip limit cycling, pre-sliding displacement and rising static friction. The proposed control utilizes a PD control structure and an adaptive estimate of the friction force. Specifically, a radial basis function (RBF) Is used to compensate the effects of the unknown nonlinearly occurring Stribeck parameter in the friction model. The main analytical result Is a stability theorem fur the proposed compensator which can achieve regional stability of the closed-loop system. Furthermore, we show that the transient performance of the resulting adaptive system is analytically quantified. To support the theoretical concepts, we present dynamic simulations fur the proposed control scheme.
引用
收藏
页码:551 / 557
页数:7
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